My Cart: 0 item(s)
Magpul Shotgun Stock – SGA for Remington 870 & Mossberg 500 | Mounts Plus
Magpul Shotgun Stocks
Tactical Upgrades for Remington 870 & Mossberg 500/590
Elevate Your Shotgun with the Magpul SGA Stock
The Magpul SGA Stock is one of the most popular and trusted aftermarket upgrades for tactical shotguns. Engineered for shooters who demand precision ergonomics, recoil control, and modularity, this stock brings the AR-style adjustability and durability Magpul is known for to your favorite pump-action shotgun.
At Mounts Plus, we carry the SGA stock for both Remington 870 and Mossberg 500/590/590A1 models — with fast shipping, competitive pricing, and color options like black, flat dark earth (FDE), OD green, and gray.
SGA Shotgun Stock Features
-
Adjustable Length of Pull (12.5"–14.5") – Easily fits a variety of shooters and applications
-
Ergonomic Grip Angle – Optimized for control and comfort during extended use
-
Recoil-Reducing Buttpad – Enhances control under recoil, especially for 12-gauge loads
-
Optional Cheek Risers – Improves sight alignment with optics or raised bead sights
-
Reinforced Polymer Construction – Lightweight, strong, and weather-resistant
-
Ambidextrous Sling Mounts – QD-compatible and loop sling ready
Compatible Models
| Model | Fitment Notes |
|---|---|
| SGA for Remington 870 | Fits all 12-gauge 870s with standard receiver |
| SGA for Mossberg 500/590 | Fits 12-gauge 500/590/590A1 shotguns |
| Mossberg 88 (Maverick) | May require minor modification |
Compare SGA Stocks by Platform
| Feature | SGA for Remington 870 | SGA for Mossberg 500/590 |
|---|---|---|
| LOP Adjustable | ✅ 12.5"–14.5" | ✅ 12.5"–14.5" |
| QD Sling Mounts | ✅ Yes | ✅ Yes |
| Recoil Pad | ✅ Included | ✅ Included |
| Cheek Riser Ready | ✅ Optional | ✅ Optional |
| Installation Tools | ✅ Included | ✅ Included |
Why Choose the Magpul SGA Shotgun Stock?
-
Designed for tactical, home defense, and duty use
-
Compatible with Magpul MOE forends for a complete furniture setup
-
Made in the USA and backed by Magpul’s reputation for reliability
-
Customizable for shooters of all sizes and skill levels
-
Easy drop-in installation — no gunsmithing required
Frequently Asked Questions
Q: Will the SGA stock fit my Remington 870 Express or Police model?
A: Yes, the Magpul SGA is compatible with all 12-gauge Remington 870 shotguns, including Express, Tactical, and Police variants.
Q: Can I install the SGA stock on a Mossberg 500 20-gauge?
A: No. The current SGA model is designed specifically for 12-gauge Mossberg 500/590/590A1 shotguns. It will not fit 20-gauge models.
Q: What tools are needed for installation?
A: The SGA stock includes the necessary hardware and can be installed with basic tools — typically a screwdriver and included wrench.
Q: Can I use this with a sidesaddle or shell carrier?
A: Yes, the SGA stock is compatible with many popular side saddle carriers, but you may need to verify spacing for certain oversized models.
Shop the Magpul SGA Stock Now
Ready to enhance your shotgun’s ergonomics and tactical performance? The Magpul SGA stock delivers versatile adjustability, rock-solid construction, and Magpul-grade reliability — trusted by law enforcement, home defenders, and professional shooters alike.
Order your Magpul shotgun stock today and transform your Remington or Mossberg into a modern, mission-ready platform.